January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
May 8 » The first games of the Italian football league system are played.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
Day of death June 20, 1915
The temperature on June 20, 1915 was between 3.9 °C and 19.8 °C and averaged 12.1 °C. There was 12.5 hours of sunshine (75%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
July 28 » The United States begins a 19-year occupation of Haiti.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I109369.php : accessed February 8, 2026), "Fetje Zijlstra (1898-1915)".
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